Author: Ben Castellani (Page 115 of 358)

Ben grew up in southwestern Pennsylvania and holds both a bachelor's and a master's degree in Meteorology, the latter being from CU Boulder. His hometown received nearly three feet of snow from the Storm of the Century back in March of 1993, sparking his initial interest in impactful weather. Ben currently works on remote sensing and data analysis software at NV5 Geospatial Software in Boulder.

BoulderCAST Daily – Tue 09/20/22 | One last hot day before a cold front shaves off 30° or more for tomorrow

September 20, 2022 /

We have one more unseasonably hot afternoon for today before changes take shape tonight with rain and much colder temperatures arriving by tomorrow. The large-scale pattern across the nation has a deep cut-off low pressure just offshore from San Francisco and an expansive ridge of high pressure located in east Texas. Between these two anomalous but opposing weather systems, strong …

This Weekend in Colorado Weather: September 15, 2022

September 15, 2022 /

Most Front Range cities saw some wet weather on Wednesday, but as expected it didn't amount to much across the lower elevations. It rained several times in Boulder, but it was barely enough to even wet the pavement. The map below shows estimated rainfall totals over the last 24 hours. The southern half of the Denver Metro area did notably …

BoulderCAST Daily – Wed 09/14/22 | Fairly cloudy with widely scattered late day storms as the tropical remnants of Kay pass through

September 14, 2022 /

⦁❶⦁  Remnant tropical moisture from once-Hurricane Kay is fully-entrenched across the state today

⦁❷⦁ Widely scattered afternoon and evening showers and storms expected with highs around 80 degrees

⦁❸⦁ The moisture lingers through Friday and so too will the (slight) rainfall chances

⦁❹⦁ A deep trough develops along the West Coast this weekend but it may never reach Colorado

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BoulderCAST Daily – Tue 09/13/22 | Partly cloudy with smoke as remnant tropical moisture increases in the Mountains

September 13, 2022 /

The main weather concern today for the Denver Metro area will be increased smoke arriving from wildfires burning in Oregon, California, Idaho and Montana. The smoke will be thickest across far northern Colorado along the Wyoming Border. Still, southeasterly upslope flow into our area will help to concentrate the smoke in and near the Front Range as well. The HRRR …

This Week in Colorado Weather: September 12, 2022

September 12, 2022 /

After setting multiple record high temperatures during the heatwave last week followed by a pleasantly cooler weekend, this week our temperatures will stay mostly above normal with some chances for rain mixed in as the remnants of Hurricane Kay pass across the Rockies. The week will end warm and mostly dry with that same trend continuing through the upcoming weekend. Let’s take a look at the weather week ahead for the Front Range.

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BoulderCAST Daily – Thu 09/08/22 | One last day of scorching record heat as fire danger briefly rises

September 8, 2022 /

Today is the day we've been waiting for! After ten straight bouts above 90 degrees, the streak comes to an end later tonight with the passage of a welcomed cold front from the north! Before this happens, though, we'll have to endure one more day of record high temperatures across the entire Front Range. The large ridge of high pressure …

Forecast Update: The September heatwave culminates to 100° Thursday before a major cooldown ensues

September 7, 2022 /

The extreme heatwave unfolding across the West continues in full-force for one more day in Colorado. Unfortunately, the hottest temperatures thus far still lie ahead on Thursday alongside elevated fire danger. The end is in sight though — two cold fronts bring a taste of autumn this weekend. We discuss how hot it will get Thursday, the timing of the big changes, and just how chilly it will be this weekend.

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